- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->control_data = i2c;
- snd_soc_codec_set_drvdata(codec, wm9090);
- codec->dev = &i2c->dev;
- codec->name = "WM9090";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm9090_set_bias_level,
- codec->reg_cache_size = WM9090_MAX_REGISTER + 1;
- codec->reg_cache = &wm9090->reg_cache;
- codec->volatile_register = wm9090_volatile;
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
- }
-
- memcpy(&wm9090->reg_cache, wm9090_reg_defaults,
- sizeof(wm9090->reg_cache));
-
- ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET);
- if (ret < 0)
- goto err;
- if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) {
- dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", ret);
- ret = -EINVAL;
- goto err;
- }
-
- ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0);